| Name | Betula ×hornei E. J. Butler |
| Authorship | E. J. Butler |
| Rank | Species |
| Placed in | Betula Linnaeus |
| Citation | 1909 Bull. Torrey Bot. Club 36: 425, fig. 3 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Betula ×hornei E. J. Butler |
| Identification made in | [no date] (3) |
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